Total supply, name, symbol and decimals of an ERC-20 or ERC-721 contract, read on-chain. Use for market-cap math, supply checks and token due diligence.

Current policy interest rates of about 40 central banks (Fed, ECB, BoE, BoJ, PBoC, SNB, RBI...) with the date of the latest value, highest first, from the BIS. Filter by country or currency code.

Deribit BTC or ETH options: open interest and volume of calls vs puts, put/call ratio, and per expiry the max-pain strike and at-the-money implied volatility, plus the DVOL volatility index.

Live US airport disruptions from the FAA: closures, ground stops, ground delay programs and arrival or departure delays with reason, average and max delay and expected end. Filter by airport code (JFK, LAX).

Detect a file's real format from its first bytes (magic numbers), given as base64 or hex: MIME type, extension and a warning when it does not match the file name. Use to validate uploads.

Decode a JSON Web Token without verifying it: header, algorithm, payload claims, issued-at/expiry times and whether it has expired. Use to debug auth tokens and API sessions.

Azure retail prices for a VM SKU (e.g. Standard_D4s_v5, Standard_NC24ads_A100_v4) in one region or all regions: Linux and Windows pay-as-you-go, spot and 1/3-year reserved hourly rates, cheapest region first.

MD5, SHA-1, SHA-256, SHA-512, SHA3-256, Keccak-256, BLAKE2b and CRC32 of a text or hex/base64 bytes, plus base64 and hex encodings, in one call. Use for integrity checks, IDs, signatures and Ethereum selectors.

Cryptographically secure random values: UUID v4 or v7, strong passwords, hex or URL-safe tokens, integers in a range, dice rolls or coin flips, up to 100 at once.

Find the right pay-per-call API for a task: searches the x402 Bazaar and ranks results by real 30-day payers, with URL, price in USDC, network and description. Use before choosing which paid tool to call.

Detect upgradeable proxies: EIP-1967 transparent/UUPS, beacon, EIP-1822, ZeppelinOS, EIP-1167 clones and Safe-style proxies, returning implementation, admin and beacon addresses. Use for audits and to fetch the real ABI.

Receipt of a mined EVM transaction: success or revert, gas used, effective gas price, fee (and L2 L1 fee), created contract and event logs with Transfer and Approval decoded. Use to confirm a payment or swap.

Long-term solar irradiance for any location on Earth (NASA POWER, 2001-2025) by month, with temperature, wind and an estimated PV yield, specific yield and capacity factor for a system size. Use to screen solar sites.

Decode a vehicle VIN (cars, trucks, motorcycles sold in the US): make, model, year, trim, body, engine, fuel and electrification, drive, transmission, plant and safety equipment, with a validity check. Source: NHTSA vPIC.

US safety recalls for a vehicle make, model and year from NHTSA: campaign number, date, component, summary, consequence, remedy and do-not-drive or park-outside warnings. Use before buying or servicing.

An EVM chain's pending block (Ethereum, Base, Arbitrum, Optimism, Polygon): transaction count, priority-fee and gas-price percentiles, most-called contracts and largest native transfers. Use to price gas.

Search Hugging Face models by name and task (text-generation, image-text-to-text, automatic-speech-recognition...), sorted by trending, downloads, likes or newest, with license and links.

A Hyperliquid wallet's open perp positions (side, size, entry, value, unrealized PnL, leverage, liquidation price, funding), margin summary and spot balances. Use to track whales or your own account.

Recent forced liquidations of a coin's USDT perpetual on OKX: time, side, price, size in coin and USD, with totals of longs vs shorts liquidated and the largest ones.

Spot order book on OKX, Gate or Kraken: best bid/ask, spread in bps, USD depth within 0.5%, 1% and 2% of mid, and the average fill price and slippage to market-buy or sell a given USD size.